HD

Hiroyuki Doi

HI Hitachi: 2 patents #771 of 3,950Top 20%
Sumitomo Electric Industries: 2 patents #504 of 3,352Top 20%
PA Panasonic: 2 patents #17 of 397Top 5%
TW The Japan Steel Works: 1 patents #2 of 22Top 10%
Overall (2002): #6,267 of 266,432Top 3%
6
Patents 2002

Issued Patents 2002

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6493936 Method of making steam turbine blade Mitsuo Kuriyama, Shigeyoshi Nakamura, Shinya Imano, Takeshi Onoda 2002-12-17
6472281 Method for fabricating semiconductor device using a CVD insulator film Yasushi Okuda, Keita Takahashi, Nobuyuki Tamura 2002-10-29
6419453 Steam turbine rotor shaft Yutaka Fukui, Masahiko Arai, Ryo Hiraga, Kenichiro Nomura, Toshio Fujita +1 more 2002-07-16
6388308 Semiconductor device and method for driving the same Hirotsugu Honda, Katsujirou Arai, Takuo Akashi, Naritsugu Yoshii 2002-05-14
6377490 Nonvolatile semiconductor memory device and method for driving the same Keita Takahashi, Masafumi Doi, Nobuyuki Tamura, Yasushi Okuda 2002-04-23
6368907 Method of fabricating semiconductor device Takao Yamaguchi 2002-04-09